Lead Acetate Reaction To 1 mL of the sample in a test tube add 1 mL of 40% NaOH. Boil the content for at least 3 minutes. After cooling, add 2 – 3 drops of 10% Pb(OAc)2. Note the color of the solution or precipitate formed. Question 1. What happened to the proteins after adding 40% NaOH and heating the solution? Question 2. What specific amino acid is detected in this reaction? Question 3. What is the identity of the precipitate, if there is any?

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter10: Reconstitution Of Powdered Drugs
Section: Chapter Questions
Problem 5.3P
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Lead Acetate Reaction

To 1 mL of the sample in a test tube add 1 mL of 40% NaOH. Boil the content for at least 3 minutes. After cooling, add 2 – 3 drops of 10% Pb(OAc)2. Note the color of the solution or precipitate formed.

Question 1. What happened to the proteins after adding 40% NaOH and heating the solution?
Question 2. What specific amino acid is detected in this reaction?
Question 3. What is the identity of the precipitate, if there is any?

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